# Jared D. McNeill 2007-06-14:
> On 14-Jun-07, at 2:25 PM, Jachym Holecek wrote:
> >Only the (easy) ioctl() part is missing IIRC. I think the ability to
> >walk device tree could be useful for other (in-kernel) consumers...
> >
> On the drvctl device node, or somewhere else?

I was thinking power management code would need it. There's also a couple
of cases in the tree where child device_t (one or multiple) is remembered
in parent's softc, it seemed like a good idea to unify them.

	-- Jachym